Laser Pointer Presenter USB Laser Pointer High Power Laser Beam 2.4G Lazer Pointer RF Wireless Presentation Remote Red Lazer Pen - buy at the price of $4.99 in aliexpress.com | imall.com
Wireless Presenter with Laser Pointer, Presentation Remote Control PPT Slides Clicker with 2.4GHz USB Dongle and Storage Pouch for Powerpoint, Lectures, Briefing, Laptop Computer(Battery Included) - Walmart.com